body {
  background-color: blue;
  height: 3000px;
}
.img {
  margin: 20px 200px;
}
.box {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, 50%);
  box-shadow: 5px 5px 5px 5px;
  width: 400px;
  height: 310px;
  padding: 0 20px;
  background-color: #f3b84b;
}
.box .tac {
  width: 400px;
  height: 60px;
  font-size: 26px;
  line-height: 60px;
  text-align: center;
}
.box .baidu p {
  float: right;
  color: #fff;
}
.box .ziti1 {
  position: relative;
}
.box .ziti1 .ziti {
  position: absolute;
  top: 7px;
}
.box input {
  text-indent: 6px;
}
